Meaning of Principal challenge from wikipedia - Prin***l photography is the phase of producing a film or television show in which the bulk of shooting takes place, as distinct from the phases of pre-production...- More recently, despite the challenges posed by a resurgent Russia, Colby has...
AcronymDefinition PPDPrepaid PPDPost Paid PPDPostpartum Depression PPDPurified Protein Derivative(skin test agent; tuberculosis) PPDPessoas Portadoras de Deficiencia(Portuguese: Persons with Disabilities; various locations) PPDPostscript Printer Description ...